The hug & rub? lol what does it mean?

Anonymous
So I went to hang out with a guy I'm sort of "dating" (unofficially) we hung out, went out for dinner, talked. At the end, I gave him a hug then he walked me to my car (we met up but he wanted to pick me up) and then we hugged two more times. The last two hugs were kind of tight & he kind of rubbed my back up and down gently. It felt good :P what do those type of hugs mean? Friendly? "you're a good friend" type of hug? or what?

I kind of wanted to make he first move & kiss him, but I want to take things slow. And I don't know if he likes me, I always forget to look for signs while we're talking.. ;P
Updates
+1 y
We have a lot of eye contact. We talk/text a lot.

I was reading a text while we were out and I was smiling then he asked "who are you texting? your boyfriend?) (he knows I'm single.) This was our second hangout/"date".
The hug & rub? lol what does it mean?
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